EP1039158B1 - Palier linéaire à éléments roulants - Google Patents

Palier linéaire à éléments roulants Download PDF

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Publication number
EP1039158B1
EP1039158B1 EP00103615A EP00103615A EP1039158B1 EP 1039158 B1 EP1039158 B1 EP 1039158B1 EP 00103615 A EP00103615 A EP 00103615A EP 00103615 A EP00103615 A EP 00103615A EP 1039158 B1 EP1039158 B1 EP 1039158B1
Authority
EP
European Patent Office
Prior art keywords
supporting
bearing element
deflection
return channel
holding plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00103615A
Other languages
German (de)
English (en)
Other versions
EP1039158A2 (fr
EP1039158A3 (fr
Inventor
Martin Dipl.-Ing. Menges
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IHO Holding GmbH and Co KG
Original Assignee
Schaeffler KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19923719A external-priority patent/DE19923719A1/de
Application filed by Schaeffler KG filed Critical Schaeffler KG
Publication of EP1039158A2 publication Critical patent/EP1039158A2/fr
Publication of EP1039158A3 publication Critical patent/EP1039158A3/fr
Application granted granted Critical
Publication of EP1039158B1 publication Critical patent/EP1039158B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00Bearings for parts moving only linearly
    • F16C29/04Ball or roller bearings
    • F16C29/06Ball or roller bearings in which the rolling bodies circulate partly without carrying load
    • F16C29/0633Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides
    • F16C29/0635Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end
    • F16C29/065Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end with rollers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00Bearings for parts moving only linearly
    • F16C29/08Arrangements for covering or protecting the ways
    • F16C29/084Arrangements for covering or protecting the ways fixed to the carriage or bearing body movable along the guide rail or track
    • F16C29/088Seals extending in the longitudinal direction of the carriage or bearing body
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/66Special parts or details in view of lubrication
    • F16C33/6603Special parts or details in view of lubrication with grease as lubricant
    • F16C33/6622Details of supply and/or removal of the grease, e.g. purging grease
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/66Special parts or details in view of lubrication
    • F16C33/6637Special parts or details in view of lubrication with liquid lubricant
    • F16C33/6659Details of supply of the liquid to the bearing, e.g. passages or nozzles

Definitions

  • the invention relates to a linear rolling bearing element for mounting on the running surface of a guide rail, with a carriage, which has a supporting body and a return channel for a WälzSystemumlauf each in a support body, which are connected via two frontally adjacent to the supporting body Umlenkkanäle, wherein in the support zone , the return channel and the deflection channels guide means are arranged from a polymeric material for the rolling elements, of which the guide means of the support zone and the return channel are designed in the form of a coating which is attached to the support body in a single operation by injection molding, wherein the deflection channels at least Partially formed by deflecting bodies, which are releasably secured in the areas of the two end faces of the support body.
  • a linear roller bearing element of the aforementioned type which has head pieces, in which the deflecting bodies are arranged.
  • the following operations are required during assembly: First, an alignment of the head piece must be performed on the support body, which is done by hand or in a device. Thereafter, a visual inspection or test by means of a gauge is required to determine whether a correct fit of the header has been achieved on the support body. This results in a large processing effort for the bearing element.
  • the mounted on the two end faces of the support body head pieces of the bearing element its construction weight increase.
  • the document US 4 983 048 A shows a linear rolling bearing element in which the supporting rolling elements are directly supported on the inner surface of a bore of the (metallic) supporting body, while channels for the returning rolling bodies are likewise formed by bores of the supporting body.
  • a polymeric coating as a guide means of the support zone and the return channel does not have this camp.
  • Receptacles for diverters are formed by frontal stepped holes of the (metallic) support body.
  • the invention has for its object to provide a linear rolling bearing element of the type mentioned, for its production, the assembly and Storage costs and the installation and testing costs are reduced.
  • a deflecting body is completely inserted into a receiving body formed in the support body, accessible from an end face, with the polymeric material of the coating, which forms the guide means of the support zone and the return channel, in addition, in each case a front-side support body approach is shaped, which encloses the receiving space for the deflecting body. In this way, end caps can be omitted.
  • the required receiving space for the deflecting is created by a Verallem of the support body, which may be a steel component, and by a corresponding end-side machining of the support body.
  • the application of the ejection technology makes it possible to form the deflection zone for the rolling elements in plastic within the space of the support body.
  • the complete rolling element circulation is now in the supporting body.
  • the receiving space can by means of a directly adjacent to the support body Abstreifers be closed.
  • the scraper may each be formed by an inner support plate, an outer support plate, a sealing strip and a support plate, which are fastened together by means of screws to the support body, wherein the inner support plate is arranged directly adjacent to the front side of the support body sunk or recessed in the support body. In the case of the sunk arrangement results in a flush conclusion with the support body.
  • the polymeric material of the coating which forms the guide means of the support zone and the return channel, in addition in each case to form a front-side support body approach, which encloses the receiving space for the deflecting body.
  • the inner holding plate of the scraper may be supported on a bearing surface formed in the supporting body approach.
  • the invention results in additional benefits to increase the crash safety of the carriage, an increase in the breaking strength of the carriage, the elimination of joints that were previously between the headers and the support body, which also the dirt insensitivity increased, and an increase in the building block.
  • the overall space of the carriage remains unchanged.
  • An inventive bearing element shown in Figures 1 to 4 has a support body 1 with end-side receiving spaces 2.
  • a deflecting body 3 is inserted, which causes the deflection of rolling elements 4 from a support area in a return region of the bearing element or from the return area in the support area.
  • the bearing element is linearly movable along a guide rail 5.
  • Each receiving space 2 is closed after insertion of the deflecting 3 at the respective end face of the support body 1 with a scraper 6, which ensures the stripping of impurities, such as metal chips, from the running surface 7 of the guide rail 5, on which formed as cylindrical rollers rolling elements. 4 roll.
  • the scraper 6 also serves to seal the lubricated interior of the bearing member to the outside and includes an inner support plate 8, an outer support plate 9, a support plate 12 and a sealing strip 10.
  • the supplied via the grease nipple lubricant passes through the lubricant channels 11 and through holes 15 of the inner plate 8 and through passageways 16 of the deflecting 3 to the rolling elements 4.
  • the sealing of the passage bore 15 and the passageway 16 between the inner holding plate 8 and the deflecting 3 is performed with a sealing ring 17 which surrounds a passage 16 containing the nozzle.
  • the support region and the return region for the rolling elements 4 are in the support body 1 of the bearing element in each case designed as a straight support zone 18 and parallel return channel 19 thereto. They are bounded by a coherent, the metallic material of the support body 1 surrounding coating 20 made of a polymeric material. This has with respect to the rolling elements 4 on radial guide surfaces 21 and 22 and axial guide surfaces.
  • lubricant channels 23 and 24 are incorporated in the form of grooves which are open to the rolling elements 4 out.
  • the lubricant channels 23 and 24 are located in the return channel 19 of the support body 1 and in a deflection channel 25 of the deflecting body 3 for the rolling elements 4. They are formed in a deflection path of the deflection body 3.
  • the coating 20 extends not only to the return channels 19, but also to the support zone 18.
  • the coating 20 in the form of guide webs for the rolling elements 4 is formed.
  • the middle guide web 27 is connected in this way with the parts of the coating 20 in the two superposed return channels 19, as can be seen on the right side of Figure 4.
  • the linear roller bearing element shown in Figure 5 is basically constructed as well, so that the same reference numerals have been used for the same components. It differs from the bearing element according to Figures 1 to 4, characterized in that the support body 31 is provided with end-side support body approaches 30. These are formed of the polymeric material, which also forms the coating 32 in the support zone 18, the return channel 19 and the deflection channel 25 at the same time.
  • a support body extension 30 each contains a receiving space 33 for a deflecting body 34.
  • the scraper 6 is arranged with the inner holding plate 8, the outer holding plate 9, the sealing strip 10 and the support plate 12 completely in the receiving space 33 and fastened with screws to the support body 31. In this case, the inner support plate 8 is supported on a contact surface 35, which is formed within the receiving space 33 on the supporting body approach 30.

Claims (5)

  1. Palier linéaire à éléments roulants pour l'appui sur la face de roulement d'un rail de guidage (5), avec un chariot de guidage qui comporte chaque fois dans un corps porteur (1, 31), pour une circulation des éléments roulants, une zone porteuse (18) et un canal de retour (19), qui sont reliés l'un à l'autre par deux canaux de déviation (25) à proximité du côté frontal sur le corps porteur (1, 31), dans lequel des moyens de guidage en un matériau polymère pour les éléments roulants (4) sont disposés dans la zone porteuse (18), le canal de retour (19) et les canaux de déviation (25), parmi lesquels les moyens de guidage de la zone porteuse (18) et du canal de retour (19) sont réalisés sous forme d'un revêtement (20, 32) qui est déposé en une seule opération par moulage par projection sur le corps porteur (1, 31), dans lequel les canaux de déviation (25) sont au moins en partie formés par des corps de déviation (3, 34) qui sont fixés de façon détachable dans les régions des deux faces frontales du corps porteur (1, 31), caractérisé en ce qu'un corps de déviation (3, 34) est chaque fois enfoncé entièrement dans un espace de réception (2, 33) formé dans le corps porteur (1, 31) et accessible par une face frontale, dans lequel, avec le matériau polymère du revêtement (20, 32), qui forme les moyens de guidage de la zone porteuse (18) et du canal de retour (19), on forme en outre chaque fois un bout frontal (30) du corps porteur qui entoure l'espace de réception (2, 33) pour le corps de déviation (3, 34).
  2. Palier selon la revendication 1, caractérisé en ce que l'espace de réception (2) est fermé vers l'extérieur au moyen d'un racloir (6) appliqué directement sur le corps porteur (1).
  3. Palier selon la revendication 1, caractérisé en ce qu'un racloir (6), avec lequel l'espace de réception (33) est fermé vers l'extérieur, est disposé dans l'espace de réception (33).
  4. Palier selon la revendication 2, caractérisé en ce que le racloir (6) est chaque fois formé d'une plaque de maintien interne (8), d'une plaque de maintien externe (9), d'une bande d'étanchéité (10) et d'une plaque de support (12), qui sont fixées ensemble au corps porteur (1) au moyen de vis (13), dans lequel la plaque de maintien interne (8) est disposée en application directe sur la face frontale du corps porteur (1).
  5. Palier selon la revendication 3, caractérisé en ce que le racloir (6) est chaque fois formé d'une plaque de maintien interne (8), d'une plaque de maintien externe (9), d'une bande d'étanchéité (10) et d'une plaque de support (12), qui sont fixées ensemble au corps porteur (31) au moyen de vis (13), dans lequel la plaque de maintien interne (8) est supportée sur une face d'appui (35) formée dans le bout de corps porteur (30).
EP00103615A 1999-03-25 2000-02-21 Palier linéaire à éléments roulants Expired - Lifetime EP1039158B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19913481 1999-03-25
DE19913481 1999-03-25
DE19923719A DE19923719A1 (de) 1999-03-25 1999-05-22 Linearwälzlagerelement
DE19923719 1999-05-22

Publications (3)

Publication Number Publication Date
EP1039158A2 EP1039158A2 (fr) 2000-09-27
EP1039158A3 EP1039158A3 (fr) 2001-08-16
EP1039158B1 true EP1039158B1 (fr) 2006-04-19

Family

ID=26052578

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00103615A Expired - Lifetime EP1039158B1 (fr) 1999-03-25 2000-02-21 Palier linéaire à éléments roulants

Country Status (5)

Country Link
US (1) US6318895B1 (fr)
EP (1) EP1039158B1 (fr)
JP (1) JP4541486B2 (fr)
DE (1) DE50012589D1 (fr)
ES (1) ES2259948T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4384379B2 (ja) * 2001-09-20 2009-12-16 日本トムソン株式会社 方向転換路とリターン路とを接続管部で連通した直動案内ユニット
DE102004035211A1 (de) * 2004-07-21 2006-02-16 Ina-Schaeffler Kg Linearführungseinheit
CN102434585B (zh) * 2011-11-10 2014-10-29 宁波恒力汽配轴承有限公司 一种直线轴承滑动机构
CN102491219B (zh) * 2011-11-10 2015-07-22 宁波恒力汽配轴承有限公司 一种基于直线轴承的升降装置
JP6384083B2 (ja) * 2013-03-27 2018-09-05 日本精工株式会社 リニアガイド装置用給油装置、リニアガイド装置
CN111720436B (zh) * 2019-03-21 2021-09-07 上银科技股份有限公司 线性滑轨

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1961468A1 (de) * 1969-12-08 1971-06-16 Georg Titt Waelz-Laengslager
DE2632537C3 (de) * 1976-07-20 1979-03-22 Eberhard Hoeckle Gmbh, 7000 Stuttgart Gelenkwelle mit teleskopartig ineinatiderverschiebbaren Wellenteilen
US4293166A (en) * 1977-08-23 1981-10-06 Skf Kugellagerfabriken Gmbh Rolling bearing for relative linear movement on a shaft
US4390215A (en) 1981-04-10 1983-06-28 Nippon Thompson Co., Ltd. Ball bearing slide unit for linear motion
JPS58622A (ja) 1981-06-20 1983-01-05 Minoru Suda 摺動台用ベアリング装置
JPS59147918U (ja) * 1983-03-25 1984-10-03 日本精工株式会社 リニアガイド装置
DE3313129A1 (de) 1983-04-12 1984-10-18 Neff Gewindespindeln Linearlageranordnung zur geradlinigen fuehrung eines schlittens laengs einer fuehrungsschiene
DE3911500A1 (de) * 1989-04-08 1990-10-11 Werner Jacob Kugelumlaufbuechse fuer eine linearkugelfuehrung
DE3937781A1 (de) * 1989-04-08 1990-10-11 Werner Dipl Ing Jacob Kugelumlaufeinheit fuer eine linearkugelfuehrung
DE4331014C2 (de) * 1993-08-12 1997-09-04 Schaeffler Waelzlager Kg Linearwälzlagerelement
FR2714942B1 (fr) * 1994-01-12 1996-04-05 Bernard Guy Rene Rousseau Ensemble de guidage, notamment pour outil de découpe.
JP3412914B2 (ja) * 1994-05-20 2003-06-03 Thk株式会社 転がり案内装置および転がり案内装置の移動ブロックの製造方法
US5755516A (en) * 1994-05-20 1998-05-26 Thk Co., Ltd. Rolling guide apparatus and method of manufacturing movable block of rolling guide apparatus
JP3314549B2 (ja) * 1994-09-22 2002-08-12 日本精工株式会社 リニアガイド装置のボール保持器
JP3481771B2 (ja) * 1996-04-25 2003-12-22 Thk株式会社 直線案内装置のスライダの製造方法
JP3954133B2 (ja) * 1996-05-01 2007-08-08 Thk株式会社 転がり案内装置の移動ブロックの製造方法
JPH1047344A (ja) * 1996-05-01 1998-02-17 Thk Kk 転がり運動案内装置
JP3296716B2 (ja) * 1996-05-02 2002-07-02 テイエチケー株式会社 転がり運動案内装置および転がり運動案内装置の移動部材の製造方法
JPH09296821A (ja) * 1996-05-07 1997-11-18 Thk Kk 直線案内装置のスライダの製造方法
JPH102332A (ja) * 1996-06-18 1998-01-06 Thk Kk 複列ボールチェインを備えた直線運動案内装置
DE19741626B4 (de) * 1997-09-20 2008-03-27 Skf Linearsysteme Gmbh Kugellager für Längsbewegungen

Also Published As

Publication number Publication date
US6318895B1 (en) 2001-11-20
EP1039158A2 (fr) 2000-09-27
ES2259948T3 (es) 2006-11-01
JP2000291654A (ja) 2000-10-20
DE50012589D1 (de) 2006-05-24
EP1039158A3 (fr) 2001-08-16
JP4541486B2 (ja) 2010-09-08

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